Xiaomi is losing internet. How to set up mobile internet on Xiaomi

Xiaomi Redmi mobile phone users sometimes have a problem that gadgets do not catch the network. This makes it impossible to communicate on the phone, as well as the use of mobile Internet. At the same time, in other aspects, the phone works fine, but the network disappears for unknown reasons, although the smartphone sees the SIM card.

Causes of the problem

If your Xiaomi Redmi 4 pro does not catch the network well, then there may be several reasons:

1. If the smartphone does not see the SIM card, then the problem may be mechanical damage to the tray or contacts responsible for transmitting the signal from the SIM card to the smartphone.
2. If the SIM card is detected and visible in the settings, but all the data on the connection to the network in the upper right corner of the screen has disappeared, then this is a clear sign of either a weak signal of the operator's network itself, or evidence of a software failure. Finding out what exactly happened in your case is very simple. Try to catch the net in different places - at home, at work, etc. If she categorically refuses to appear everywhere, then there is a software glitch.

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Solution options

The easiest way to fix problems with communication Xiaomi Redmi 4 pro will be a comprehensive flashing of the mobile device. This option will eliminate residual effects in the form of incorrect operation of any software elements of the phone. But it is worth remembering that this method is radical, and one of the consequences will be the complete removal of all information from the phone. This even applies to your videos, audio recordings and your contact list.

Therefore, if you have already decided to change the firmware, do not forget to first make a full backup of the data to an alternative medium - a USB flash drive or PC. They can also be saved to a cloud resource in order to quickly return them to a smartphone after changing the software.

There is also a less drastic way to fix the communication problem. A special archive called EFS, which can be downloaded for free on the Internet, will help resolve the issue. Download it to your computer, after which you need:

1. Start the phone in recovery mode and perform a full data backup.
2. Connect your smartphone to a PC via a USB cable and find the saved backup.
3. We open the folder and see several files that cannot be read from the computer. We don't need that, so don't worry.
4. We open the EFS folder, where we see two files, the name of which fully corresponds to two similar backup files. Drag files from EFS to the backup folder. The computer will ask you if you agree to the replacement of files, with which you need to agree.
5. Disconnect the phone from the PC.
6. We launch the mobile device in recovery mode, and this time select the system restore point. For this, we use a backup updated from the computer.
7. We restart the smartphone, and if everything is done correctly, then it will start to catch the network signal.

Lack of 4G internet and problems with the SIM slot are serious problems that Mi A1 users can face, as they are difficult to identify without developer tools.

The bug found by Mi A1 users is related to 4G connection in SIM 1 slot. An active Internet session is constantly interrupted for 3-4 seconds or 4G does not work completely.

This problem may not be relevant for all SIM cards of mobile operators in Russia.

Why 4G does not work on Xiaomi Mi A1

To determine the problem on your smartphone, you need to pay attention to the USSD messages that will appear after the interruption of the data transfer and inform about the end of the session. This bug is noticeable only on 4G, since on 3G - the network works well and the Internet connection is stable.

According to the specification, the smartphone supports the 40th band (Band 40). But in practice, it simply loses the connection on the 40 band with a frequency of 2300 MHz in the TDD-LTE data mode. Using these 4G settings, the Internet on Mi A1 seems to twitch, constantly disconnecting and losing connection.

Due to this problem with the support of frequency bands, many users who bought Mi A1 with global firmware began to complain on social networks and on the forum that 4G Internet does not work in the SIM 1 slot or the slot stops seeing the SIM card, and the phone offers "Initiate search networks ".

If your smartphone use is limited to only 3G, then this error will not create discomfort for you when working. For Xiaomi users who are accustomed to wireless high-speed data transmission, we would advise to wait for the new Mi A1 updates. The latest firmware will most likely fix bugs with 4G, SIM cards and correct support for frequency bands.

It so happens that the mobile Internet does not work on Xiaomi, although all the settings are entered correctly, as indicated in. Sometimes this problem applies to all access to the worldwide network, and sometimes only the 4g connection refuses to work. In this article, we will analyze the most popular solutions.

If the Internet does not work

Make sure all parameters are entered correctly. Ask the operator to send you the settings via SMS.

If the mobile Internet does not work well on Xiaomi, check if the firewall is blocking applications from accessing the Internet. To do this, open the "Security" application (green icon) - Traffic - Application Control, look at the "restrictions" column there, perhaps there is no access for programs to wi-fi and 3g / 4g networks.

Make sure that you have enough funds on your balance and that the traffic package has not yet been fully spent.

Reboot your smartphone. In any non-standard situation, reboot your device; usually, most glitches are fixed in this banal way.

Make sure you have a working SIM card. Insert it into another device and check the presence and operation of the connection.

If you are in Crimea, try turning on roaming on your device, it usually helps if the SIM card was purchased on the mainland.

Call the operator, perhaps at the moment they are experiencing a network failure and after a while the work will be restored.

If the phone supports two SIM cards (for example, Xiaomi Redmi 3 Pro), it is worth checking that the Internet settings are assigned to the desired SIM card.

Check if the option "Mobile Internet" is enabled in the settings

If your smartphone has lost the Internet after flashing, check the availability in the section "about phone". In rare cases, it can be erased when the device is flashed, due to which the communication modules begin to work unstable.

If 4g is missing

Initially, you should contact the office of the operator company or call technical support and talk about your problem. Quite often it happens that 4g is an additional service that needs to be connected separately, for example, this was observed with the Beeline operator.

Make sure you have a new SIM card. Most operators cannot launch support for 4G networks on old SIM cards.

Go to the operator's website and check the coverage of the lte network, you may be in an area where this type of connection is not yet supported.

Be sure to check if your phone supports the required frequencies. For example, Tele2 uses the 800 MHz band (band 20), while Xiaomi Redmi Note 3 does not support this range. The same operator may use different frequencies in different areas, so always check this point with technical support.

Check the priority network type in the SIM card settings. Select "Preferred 4G". If after that the Lte network does not appear, and all the previous tips have been taken into account, it is worth switching the device only to the 4th generation network. Unfortunately, this cannot be done with the standard settings. Enter the following characters in the dialer * # * # 4636 # * # *. You will open an extended settings menu, select "LTE Only" there. Now the phone will only catch 4g network. With this test, we find out if the smartphone can be forced to connect to 4g. After that, we recommend returning the previous (automatic) value.

If you didn't manage to go to the special menu, there is a second way, it is presented in this video.

If nothing helps you, but the phone should catch lte, you should try to do a factory reset or upgrade to another firmware, sometimes it helps.

Unfortunately, the situation when the mobile Internet does not want to work on a Xiaomi phone is not uncommon. The reasons for this are varied. As well as the methods of "curing" the smartphone. Like it or not, but today you have to navigate in all the variety of manifestations of the mobile network, the main parameters and settings. Otherwise, communication with the world will be broken or absent altogether.

The main actions in the standard version are their complete absence. That is, you are required to insert a SIM card into the Xiaomi phone, at best, overload it and click on the Internet option in the drop-down curtain. That's the whole setting, in the overwhelming majority of cases this is enough. The phone automatically sets all the necessary parameters, receives the settings from the telecom operator and starts data transmission.

That is why, due to the seeming simplicity of connecting to the network, many are lost if something goes wrong. To begin with, general recommendations.

So, the choice is made, the SIM card is inserted, but the desired connection did not happen. What to do? Let's tackle the settings manually.

The table contains the most common operators, if the column is empty, then nothing needs to be entered.

• After you have formed an access point. We overload the smartphone and use it.

An icon will appear indicating the type of your mobile internet.

• G, E- 2G networks, the speed ranges from 171.2-474 kbps;
• 3G, 3G +, H + - 3G networks, the speed increases: from 3.6 to 42 Mbps;
• LTE - 4G networks, space 100 Mbit / s.

The phone itself will select the network it needs, choosing the most stable from the options presented. If this does not happen, then you should tell the device yourself the frequency range in which it will work. To do this, in the same place where the access point was edited, there is an option below to select the preferred network type. The standards 2G, 3G, 4G are presented. Based on the map of the coverage areas of your region, we select the type that is most common.

If only https sites open

This situation implies that the Internet is still present on your Xiaomi. But it does not fully work as expected.

Possible reasons for "cutting" data transmission:

In order to save money, excessive traffic can lead to disconnection from the mobile Internet or simply to warn the owner. Make the necessary adjustments yourself.

By the way, many custom firmwares have one peculiarity. Programmers assembling and modernizing system software are not averse to making fun of it. In our case, when the operation of the device in mobile networks suffers, this leads to the fact that the system / etc / hosts file: turns out to be so modified (it blocks ads in the browser) that access to many resources is prohibited. It is impossible to completely delete the file, advertising will climb from all cracks and instead of surfing the Internet, you will get an advertising swim.

To correct it, Root-rights and Root Browser are required. See details.

Do not forget that after all the actions you have taken, the best way to complete your phone setup is to reboot it.

The network disappears after the update

A frequent picture. Numerous messages on the forums that mobile communication stops working after the MIUI update indicate the importance of the problem.

Among other things, the device does not see SIM cards, even simple calls become inaccessible. The reason lies in the flaws of the software itself, here are some, tested in practice, ways to solve this problem.

If it crashes every 10-15 minutes

You must immediately decide which slot will fail. We take out the SIM card from the first one and stick it into the second one.

We change the frequency priorities on the slot that fails. We are going down from heavenly LTE to prosaic GSM. The main thing is to understand what is not working for you. If it's software, exhale and calm down. The solution will come, it is associated with a reset to factory settings or, in severe cases, replacing the firmware or the radio module itself.

Another option is that you have a hardware error and need to take the phone to the workshop. You will not do anything good with it yourself, the mobile Internet will not return by itself.

I hope that you will avoid all these troubles described in the article, working mobile Internet on Xiaomi smartphones is more a rule, not an exception. Firmware from year to year are becoming more perfect, and devices are less vulnerable. And if so, then with all the other little things you can handle.

Internet does not work for you on Xiaomi Mi5, Mi4, MI3, Plus, Redmi Note 4, 3 Pro, 3X, 3S, Note 2? Do not despair, we will fix everything easily. Our masters will find the reason why the Internet on the smartphone has disappeared.

Instruction: there are several reasons for the appearance of the described problem, respectively, there are several options for its elimination.

1. First, it is worth checking the antenna, it may be damaged, which provoked the appearance of a breakdown. Replacing the broken part will correct the situation.
2. It often happens that the Internet service is not connected to your gadget. In this case, you should call the operator and clarify this issue. If it says on the smartphone screen that a beeline or megaphone SIM card was not found, and therefore there is no Internet, then the problem here may be as follows:
3. The SIM reader is faulty, which means it should be replaced.
4. The SIM card controller is out of order.
5. There may be a problem with the board. It is damaged most often from impacts on a hard surface or from moisture entering the device. To determine what exactly failed, you need to make a diagnosis.

Outcome: The first and second options can be done at home on your own, but if you have the 3rd, 4th or 5th options, you can repair such damage only at a service center.

Repair at Apple Telemama Service Center

Self repair

Our advantages

1. We use high quality spare parts.
2. Cost. We buy everything necessary for repairs in bulk from manufacturers. Working without intermediaries allows us to set minimum margins.
3. Repair time. To replace the touch glasses, speakers, connectors, we need only 20 minutes. Complex damage will require diagnostics, it will take another 20 minutes.
4. The warranty will be valid until 1 year.

If you have a problem, stopped working and there is no Internet on Xiaomi, do not waste time with a visit to the service center. If the cause of the problem is moisture trapped in the device, it is important to save all parts of the phone from corrosion in time. You can always deliver your phone to the service center by our courier service.

At the beginning of any repair, we diagnose the device in order to understand what exactly is not working. Further, we inform the client about the results, what will be the cost and timing of the repair. Only after the consent of the client, we start to work. Qualified specialists are engaged in the repair.

The phone is returned to the customer in a fully functional condition and under warranty. We will definitely give you or your friends a discount for the next contact with us. You will receive a discount after you provide your order number.

The problem of not catching the Internet on Xiaomi Mi5, Mi4, MI3, Plus, Redmi Note 4, 3 Pro, 3X, 3S, Note 2 can be solved. The most important thing. react in time and seek help from specialists. In our service center they know what to do to make the broken device work perfectly again. We are always ready to provide qualified advice if you nevertheless decide to figure it out on your own. Our regular customers are always served with discounts.